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HK: Fachverband Physik der Hadronen und Kerne

HK 41: Invited Talks III

HK 41.2: Hauptvortrag

Donnerstag, 2. April 2020, 11:30–12:00, H-HS X

The charm of exotic bound states of the strong interaction — •Frank Nerling — Goethe-Universität Frankfurt & GSI Darmstadt

Exotic hadrons beyond the simple quark model are allowed for and predicted within quantum chromodynamics. They offer laboratories to study the strong interaction. Experimental searches are performed since decades, however, most of them were not conclusive yet. Since the beginning of the millenium, a new era has begun with the discovery of the so-called charmonium-like (exotic) XYZ states. With the observation of tetraquark candidates, the BESIII experiment has discovered manifestly exotic states in the meson sector. Other facilities such as the upcoming PANDA experiment at FAIR offer unique possibilities to finally clarify the nature of e.g. one of the first and most famous XYZ states that still 15 years after the observation is not yet understood.